The prefix “hydro-“ relates to water
C, as A,B, and D aren't true.
There have been sharp increase in birth to unmarried mothers in all the countries except in JAPAN. Recent research study on global children trend indicate that, the country where children are most likely to be reared by married parents is Japan, where giving birth to children out of wedlock is rare. The country also exhibit high marriage rate and cohabitation is rare.
Does not have a nucleus. The prokaryotic cell's chromosome float around the cell itself.